Breadcrumb Home > Dictionary > Index C caffeinated: Meaning and Definition of Find definitions for: caf•fein•at•ed Pronunciation: (kaf'u-nā"tid), [key] — adj. containing caffeine: a caffeinated soft drink. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cafetorium caffeine TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: oblique Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language